Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Otis Air National Guard Base (KFMH)

Lat: 41.65°NLon: 70.52°WElev: 131ft.

Fair

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.58 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 6:55 pm EDT
Extended Forecast for

Onset MA

  • Tonight

    Tonight: Clear, with a low around 38. Light east wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 58. Northeast wind 5 to 11 mph.

    High: 58 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. North wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 59 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Northeast wind around 18 mph, with gusts as high as 32 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Breezy, with a northeast wind around 21 mph, with gusts as high as 33 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 10pm.  Mostly cloudy, with a low around 47. Northeast wind 13 to 15 mph.  Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 9am.  Partly sunny, with a high near 59. North wind 14 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 38. Light east wind.
Monday
Increasing clouds, with a high near 58. Northeast wind 5 to 11 mph.
Monday Night
Mostly cloudy, with a low around 48. North wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 59. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Northeast wind around 18 mph, with gusts as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 56. Breezy, with a northeast wind around 21 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 47. Northeast wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday
A chance of showers before 9am. Partly sunny, with a high near 59. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 45. North wind 7 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 55. North wind 16 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 43. North wind around 11 mph.
Saturday
Mostly sunny, with a high near 54. North wind 10 to 13 mph.
Saturday Night
Mostly clear, with a low around 42. Light northwest wind.
Sunday
Sunny, with a high near 59. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Onset MA
 41.75°N 70.65°W (Elev. 10 ft)
2:43 pm EDT Oct 18, 2026
7pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database